Home / 3,439.20-4,745-2,022.43

Finding the Fourth Proportional to 3,439.20, 4,745 and 2,022.43

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Solution

The fourth proportional to 3,439.20, 4,745 and 2,022.43 is: 2,790.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.20 : 4,745 = 2,022.43 : x
  2. Step 2: Convert to fraction form
    3,439.20/4,745 = 2,022.43/x
  3. Step 3: Cross multiply
    3,439.20x = 4,745 × 2,022.43
  4. Step 4: Simplify right side
    3,439.20x = 9,596,430.35
  5. Step 5: Solve for x
    x = 9,596,430.35/3,439.20
  6. Step 6: Final answer
    x = 2,790.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.